1438149 has 16 divisors (see below), whose sum is σ = 2054592. Its totient is φ = 891648.

The previous prime is 1438123. The next prime is 1438159. The reversal of 1438149 is 9418341.

It is a happy number.

It is not a de Polignac number, because 1438149 - 2⁵ = 1438117 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

1438149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8227 + ... + 8399.

It is an arithmetic number, because the mean of its divisors is an integer number (128412).

2^1438149 is an apocalyptic number.

It is an amenable number.

1438149 is a deficient number, since it is larger than the sum of its proper divisors (616443).

1438149 is a wasteful number, since it uses less digits than its factorization.

1438149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356.

The product of its digits is 3456, while the sum is 30.

The square root of 1438149 is about 1199.2285019962. The cubic root of 1438149 is about 112.8759177835.

The spelling of 1438149 in words is "one million, four hundred thirty-eight thousand, one hundred forty-nine".